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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Energy conservation/balance in mixture multiphase › Reply To: Energy conservation/balance in mixture multiphase

April 15, 2024 at 2:27 pm
Amir
Subscriber

 

For phase change I was assuming for each gram of vapor to liquid 2259J is released(is not it?!)

Did you mean 4.4e+7J/Kgmol? if we take 4.4e+07 J/Kgmol, then with 18.02g molar weight of water it would be 0.244e+07 J/Kg or 0.244e+4 J/g = 2440 J/g, so for 101 grams it release 0.246e+06J (close to what I was considering).

The residuals are attached for 100s and 600s. I am using mixture model with Lee evaporation/condensation, UDF written according to Antoine Equation for saturation pressure.

 

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